Finding the Fourth Proportional to 10,998.99, 16,498.89 and 3,975.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.99 : 16,498.89 = 3,975.48 : x
2. Step 2: Convert to fraction form
   10,998.99/16,498.89 = 3,975.48/x
3. Step 3: Cross multiply
   10,998.99x = 16,498.89 × 3,975.48
4. Step 4: Simplify right side
   10,998.99x = 65,591,007.22
5. Step 5: Solve for x
   x = 65,591,007.22/10,998.99
6. Step 6: Final answer
   x = 5,963.37